#4B65F7

CSS

:root {
  --secret-of-mana: #4b65f7;
  --secret-of-mana-rgb: 75 101 247;
  --secret-of-mana-oklch: oklch(0.574 0.219 270.2);
}

.element {
  color: var(--secret-of-mana);
  background-color: hsl(231 91% 63%);
  border-color: oklch(0.574 0.219 270.2);
}

Tailwind CSS v4

@theme {
  --color-secret-of-mana: #4b65f7;
  --color-secret-of-mana-50: #dff2ff;
  --color-secret-of-mana-100: #cee4ff;
  --color-secret-of-mana-200: #b4ceff;
  --color-secret-of-mana-300: #92adff;
  --color-secret-of-mana-400: #6f90ff;
  --color-secret-of-mana-500: #5370ff;
  --color-secret-of-mana-600: #475fe8;
  --color-secret-of-mana-700: #384cbb;
  --color-secret-of-mana-800: #23388d;
  --color-secret-of-mana-900: #172764;
  --color-secret-of-mana-950: #091445;
}

SCSS

$secret-of-mana: #4b65f7;
$secret-of-mana-rgb: 75, 101, 247;
$secret-of-mana-light: mix(#fff, $secret-of-mana, 20%);
$secret-of-mana-dark: mix(#000, $secret-of-mana, 20%);

.element {
  color: $secret-of-mana;
  box-shadow: 0 0 0 2px rgba($secret-of-mana, 0.35);
}